Siemens Building Technology 192-256W Cover 328140-751 suggesting the expansion valve is

suggesting the expansion valve is stuck or restricted

this ASCO RedHat II valve utilizes NBR (Nitrile) seals to ensure tight shut-off and low internal leakage across an operating pressure differential of 5 to 125 PSI

The spring-loaded PTFE V-ring packing can often be repacked or replaced in the field

the 816678-069A facilitates easy installation and perfect alignment with centrifugal pump assemblies

Robust Sealing: Features a monel bellows to isolate electrical components from fluid

Siemens Building Technology 192-256W Cover 328140-751 suggesting the expansion valve isThe Siemens Building Technology 192 256W Cover is a professional grade pneumatic thermostat cover designed specifically for the Powerstar 192 series. This heavy duty plastic cover is finished in white and engineered for commercial environments where tamper resistance and a clean aesthetic are required. It features a concealed setpoint adjustment, concealed setpoint indicator, and a concealed chassis thermometer, ensuring that unauthorized occupants